Anal speculum



N0-Model.) 1 l Y A. B. BOTSFORD.l

' ANAL SPEGULUM.-

No. 315,466. Y Patented Apr. 14, 1885.

` WITNESSES: l I u INVENTOR 1 Maw @6g-ZW ATTORNEY UNITED STATES PATENT OFFICE.. l

ALBAN B. BOTSFORD, OF GRAND RAPIDS, MICHIGAN.

ANAL SPECULUM.

SPECIFICATION forming part of Letters Patent No. 315,466, dated April 14, 1885.

Application tiled May 2, 1884.

To all whom, it may concern:

Be it known that I ALBAN B. BoTsEoRD, a citizen of the United States, residing at Grand Rapids, in the county of Kent and State of Michigan, have invented certain new and useful Improvements in Anal Speculums; and I do declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to the letters and figures of reference marked thereon, which form a part of this specification.

Figure 1 is a View in perspective of the outer cone or body of the speculum. Fig. 2 is a view in perspective of the inner cone. Fig. 3 is a plan view of my invention.

Similar letters refer to similar parts throughout the several views.

The object of my invention is to provide an anal speculum more simple in its parts and at the same time more perfect in construction than any now in use. This I claim to have accomplished by the use of a slotted cone made of a single piece of metal fitting closely within the body of the speculum and operated by a rotary motion of the handle.

I describe my invention as follows:

B represents the outer cone or body of the i speculum, and is provided with the slot A and the bell-shaped bottom J, and is made with the rounded top N, to prevent the entrance of faeces and to promote the easy and painless insertion of the instrument. The

daring bottom J concentrates the lightwithin the tube C and also serves a useful purpose in the introduction of medicine.

Within the cone B, I insert the inner cone,

(No model.)

F, tting closely therein, and consisting of one piece of metal having the slot E to prevent any binding of one cone within the other.`

lIhe inner cone is cut away at its upper end, f

D, so that when inserted within the outer cone its edges correspond or register with the edges of the slot A. Said inner cone is also provided` with the handle G, by which, using a rotary motion, it is operated, and has at its upper end the nib or teat I, which fits into the socketI-I of the outer cone, thus forming a journal-bearing, whereby an even motion of the inner cone results when turned, thereby preventingy any possible pinching of the anal membrane. Said What I do claim, and desire to secure by Letters Patent ofthe United States, Ais`i- In an anal speculum, the combination of the outer cone, B, having the slot A, the bellu shaped rim J, and theinner cone, F, having the slet E and handle G, with the nib I, ttingin the socket H of the outer cone,- forming a j ournal-bearing, all substantially as shown and described, and for the purpose set forth.

In testimony whereof I affix my signature in presence of two witnesses. y y

ALBAN B. BOTSFORD.

Witnesses:

ADoLPH B. MASON, ELLA P. SHUsrER. 

